Postretirement benefits (Tables)

6 Months Ended

Jun. 30, 2021

Schedule of Net Benefit Costs [Table Text Block]

The components of net pension and other postretirement benefit costs (benefits) reflected in Net income (loss) in the Consolidated statements of operations were as follows:


	Pension Benefit Plans								Other Postretirement Benefit Plans
	2021				2020				2021		2020
Three Months Ended June 30	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
(in millions of U.S. dollars)
Service cost	$	—	$	1	$	—	$	1	$	—	$	—
Non-service cost (benefit):
Interest cost	17		4		25		5		—		—
Expected return on plan assets	(63)		(11)		(56)		(11)		—		(1)
Amortization of net actuarial loss	—		1		—		1		—		—
Amortization of prior service cost	—		—		—		—		(6)		(20)

Settlements	—		—		1		—		—		—
Total non-service cost (benefit)	(46)		(6)		(30)		(5)		(6)		(21)
Net periodic benefit cost (benefit)	$	(46)	$	(5)	$	(30)	$	(4)	$	(6)	$	(21)


	Pension Benefit Plans								Other Postretirement Benefit Plans
	2021				2020				2021		2020
Six Months Ended June 30	U.S. Plans		Non-U.S. Plans		U.S. Plans		Non-U.S. Plans
(in millions of U.S. dollars)
Service cost	$	—	$	2	$	—	$	2	$	—	$	—
Non-service cost (benefit):
Interest cost	35		9		50		11		—		1
Expected return on plan assets	(127)		(22)		(112)		(21)		—		(2)
Amortization of net actuarial loss	—		2		—		1		—		—
Amortization of prior service cost	—		—		—		—		(26)		(40)

Settlements	—		—		2		—		—		—
Total non-service cost (benefit)	(92)		(11)		(60)		(9)		(26)		(41)
Net periodic benefit cost (benefit)	$	(92)	$	(9)	$	(60)	$	(7)	$	(26)	$	(41)

The line items in which the service cost and non-service cost (benefit) components of net periodic benefit cost (benefit) are included in the Consolidated statements of operations were as follows:


	Pension Benefit Plans				Other Postretirement Benefit Plans
Three Months Ended June 30	2021		2020		2021		2020
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—	$	—	$	—	$	—
Administrative expenses	1		1		—		—
Total service cost	1		1		—		—
Non-service cost (benefit):
Losses and loss expenses	(4)		(3)		(1)		(2)
Administrative expenses	(48)		(32)		(5)		(19)
Total non-service cost (benefit)	(52)		(35)		(6)		(21)
Net periodic benefit cost (benefit)	$	(51)	$	(34)	$	(6)	$	(21)


	Pension Benefit Plans				Other Postretirement Benefit Plans
Six Months Ended June 30	2021		2020		2021		2020
(in millions of U.S. dollars)
Service cost:
Losses and loss expenses	$	—	$	—	$	—	$	—
Administrative expenses	2		2		—		—
Total service cost	2		2		—		—
Non-service cost (benefit):
Losses and loss expenses	(9)		(6)		(3)		(4)
Administrative expenses	(94)		(63)		(23)		(37)
Total non-service cost (benefit)	(103)		(69)		(26)		(41)
Net periodic benefit cost (benefit)	$	(101)	$	(67)	$	(26)	$	(41)